KK74ACT27 Overview
KK74ACT27 Triple 3-Input NOR Gate High-Speed Silicon-Gate CMOS The KK74ACT27 is identical in pinout to the LS/ALS27, HC/HCT27. The KK74ACT27 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. TTL/NMOS patible Input Levels Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range:.